swivel

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

a coupling (as in a chain) that has one end that turns on a headed pin
• Hypernyms:
coupling, coupler

II - verb

turn on a pivot (Freq. 2)
• Syn:
pivot
• Derivationally related forms:
pivot (for: pivot)
• Hypernyms:
turn
• Hyponyms:
pirouette
• Verb Frames:
- Something ----s
- Something is ----ing PP
- Somebody ----s something
- Somebody ----s PP